{"product_id":"custom-size-18ft-x-21ft-gray-rectangle-sun-shade-sail-tight-fit-uv","title":"Custom Size 18ft x 21ft Gray Rectangle Sun Shade Sail - Tight Fit, UV","description":"\u003cp\u003eIn this review of the Custom Size 18' x 21' Gray Rectangle Sun Shade Sail, the bottom line is simple: this is a practical, heavy-duty shade for anyone who needs reliable UV protection and a tailored fit. Measured corner to corner with curved edges designed to prevent sagging, the sail delivers a neat, tensioned canopy that suits patios, pools, and carports. The review highlights the material's lightweight strength and strong UV-blocking performance, making it a solid choice for homeowners who want long-term sun defense without frequent replacement.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003ePerfect Fit Measurements:\u003c\/strong\u003e Corner-to-corner sizing and curved edges are designed to maintain tension and prevent the sagging that ruins coverage and appearance.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDurable Material:\u003c\/strong\u003e Made from virgin polyethylene, the fabric balances lightweight handling with enough strength for regular outdoor use.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eUV Blocking:\u003c\/strong\u003e The sail blocks up to 95% of UV rays and about 90% of visibility, which helps cut heat and adds privacy under the canopy.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eAll-Season Use:\u003c\/strong\u003e It is suitable for summer sun protection, overnight frost reduction, and light rain coverage around patios, pools, and driveways.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCustom Sizes Made Locally:\u003c\/strong\u003e Each shade is custom-made to order and delivered on time, which simplifies matching nonstandard spaces.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eWarranty Backing:\u003c\/strong\u003e A 3-year limited warranty provides extra reassurance that the product is built to last.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis shade sail is ideal for homeowners and renters who need a tailored, tensioned shade over patios, pools, carports, or balconies and who value UV protection and a clean finished look. The custom sizing and curved-edge design make it a good pick when off-the-shelf sails are too small or prone to sagging.\u003c\/p\u003e\n\n\u003cp\u003eThose who should look elsewhere include buyers wanting full waterproofing for heavy rain or those who need a permanent hard-structure roof; this sail is meant for sun, light rain and frost reduction rather than as a full weatherproof canopy. Also, if professional installation is required for complex mounting points, factor that into the purchase decision.\u003c\/p\u003e\n\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eStrong UV protection and privacy thanks to material that blocks up to 95% of UV rays and reduces visibility by about 90%.\u003c\/li\u003e\n \u003cli\u003eCustom corner-to-corner sizing and curved edges deliver a tight, clean look with less sagging over time.\u003c\/li\u003e\n \u003cli\u003eLightweight yet durable virgin polyethylene offers a long service life and easy handling during installation.\u003c\/li\u003e\n \u003cli\u003eMade locally with a 3-year limited warranty for added confidence in durability and delivery.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eNot a substitute for a rigid roof: it handles light rain and frost reduction but is not fully waterproof for heavy storms.\u003c\/li\u003e\n \u003cli\u003eInstallation experiences vary; some users may need extra hardware or assistance to get ideal tension and mounting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eRectangle sun shade sail\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eSize (example)\u003c\/td\u003e\n\u003ctd\u003e18 ft x 21 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eGray\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eVirgin polyethylene\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eUV Protection\u003c\/td\u003e\n\u003ctd\u003eBlocks up to 95% of UV rays\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eVisibility Reduction\u003c\/td\u003e\n\u003ctd\u003eApproximately 90%\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e3-year limited warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Custom Size 18' x 21' Gray Rectangle Sun Shade Sail is recommended for anyone needing a tailored, tensioned shade with strong UV protection and a neat appearance. Its durable virgin polyethylene fabric and custom-fit design offer good value for patios, pools, and carports, while the 3-year warranty and local production help ensure reliable delivery and longevity.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill this shade block most sunlight?\u003c\/strong\u003e\u003cbr\u003eThe fabric blocks up to 95% of UV rays and reduces visible sunlight by about 90%, so it significantly cuts heat and glare while providing privacy.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs it suitable for heavy rain?\u003c\/strong\u003e\u003cbr\u003eThe sail provides light rain coverage and frost reduction but is not intended as a full waterproof replacement for a solid roof in heavy storms.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow are sizes measured?\u003c\/strong\u003e\u003cbr\u003eMeasurements are taken corner to corner and the sail is made with curved edges to reduce sagging and ensure a tight fit.\u003c\/p\u003e","brand":"SHADESPEARE","offers":[{"title":"Default Title","offer_id":48650278142171,"sku":"B09J3GVF2P","price":191.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81QkMjRAMaL._AC_SL1500_04ad3d62-9adf-472a-bc2a-f552c9ed7cc8.jpg?v=1778596414","url":"https:\/\/gearmusthave.com\/products\/custom-size-18ft-x-21ft-gray-rectangle-sun-shade-sail-tight-fit-uv","provider":"GearMustHave","version":"1.0","type":"link"}